mark as read all -> mark all as read

Close #855

src/server/api/endpoints/notifications/mark_all_as_read.ts

@@ -0,0 +1,44 @@
+import Notification from '../../../../models/notification';
+import event from '../../../../stream';
+import User, { ILocalUser } from '../../../../models/user';
+
+export const meta = {
+	desc: {
+		ja: '全ての通知を既読にします。',
+		en: 'Mark all notifications as read.'
+	},
+
+	requireCredential: true,
+
+	kind: 'notification-write'
+};
+
+/**
+ * Mark all notifications as read
+ */
+export default (params: any, user: ILocalUser) => new Promise(async (res, rej) => {
+	// Update documents
+	await Notification.update({
+		notifieeId: user._id,
+		isRead: false
+	}, {
+			$set: {
+				isRead: true
+			}
+		}, {
+			multi: true
+		});
+
+	// Response
+	res();
+
+	// Update flag
+	User.update({ _id: user._id }, {
+		$set: {
+			hasUnreadNotification: false
+		}
+	});
+
+	// 全ての通知を読みましたよというイベントを発行
+	event(user._id, 'read_all_notifications');
+});